Blue Sea Systems — ATO/ATC Fuse, 15 A, 2-Pack — BSS-5242
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Blue Sea Systems ATO/ATC Fuse, 15 A, 2-Pack (5242)
This Blue Sea Systems 15 A ATO/ATC fuse is a fast-acting type ideal for protecting electronic devices. The tin-plated connector blades resist corrosion, and a visible indication of the blown condition makes it easy to spot a fuse that needs replacing. Sold by the card, with two fuses per package.
Part Details
- Brand: Blue Sea Systems
- Manufacturer part number: 5242
- Product type: ATO/ATC fast-acting fuse
- Amperage: 15 A
- Blades: Tin-plated for corrosion resistance
- Packaging: Sold by the card, 2 fuses per package
Key Features
- Fast-acting type fuse ideal for electronic devices
- 15 A rating
- Tin-plated connector blades for corrosion resistance
- Visible indication of blown condition
- Two fuses per card
Compatible Applications
- Protecting electronic devices on a boat's 12 V DC circuits
- Circuits wired through ATO/ATC fuse blocks and holders that accept blade-type fuses
Technical FAQ
- What is the amperage rating? 15 A.
- How many fuses come in a package? Two fuses per card.
- What does fast-acting mean? The fuse opens quickly when the current exceeds its rating, which suits protecting sensitive electronic devices.
Also Available
- Blue Sea Systems Ato/atc Fuses - Ato/atc Fuse 20A (25 Pack) | 5243100 — a 20 A ATO/ATC fuse in a 25-pack when a higher rating is needed.
- Blue Sea Systems Ato/atc Fuse Blocks - Ato Fuse Block 12-CIRCUIT | 5029 — a 12-circuit ATO/ATC fuse block that accepts blade-type fuses like this one.
- Blue Sea Systems Ato/atc Fuse Blocks - Ato Fuse Block 6-CIRCUIT | 5028 — a 6-circuit ATO/ATC fuse block that accepts blade-type fuses like this one (listed as a draft in the store and may not be available to shoppers).
Parts Desk Insights
- Best use case: Replacing a blown blade fuse on a 12 V circuit feeding electronic devices, where a fast-acting fuse suits sensitive equipment.
- Most common customer mistake: Replacing a fuse with a higher amperage rating to stop it from blowing again. Match the 15 A rating to the circuit rather than increasing it.
- Sizing and fitment guidance: Confirm the circuit calls for an ATO/ATC blade fuse, match the fuse rating to the circuit, and check that the fuse block or holder accepts blade-type fuses before ordering.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.